.ie-custom-properties {
  // Custom variable values only support SassScript inside `#{}`.
  @each $color, $value in $colors {
    #{$color}: #{$value};
  }

  @each $color, $value in $theme-colors {
    #{$color}: #{$value};
  }

  @each $bp, $value in $grid-breakpoints {
    breakpoint-#{$bp}: #{$value};
  }
}
